586 lines
16 KiB
C++
586 lines
16 KiB
C++
/*
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* Copyright (c) 2002 Light Weight Java Game Library Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'Light Weight Java Game Library' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* $Id$
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*
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* Linux specific window functions.
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*
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* @author elias_naur <elias_naur@users.sourceforge.net>
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* @version $Revision$
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*/
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#include <X11/X.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <jni.h>
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#include "common_tools.h"
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#include "extgl.h"
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#include "extgl_glx.h"
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#include "Window.h"
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#include "org_lwjgl_opengl_Window.h"
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#define USEGLX13 extgl_Extensions.GLX13
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static GLXContext context = NULL; // OpenGL rendering context
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static GLXWindow glx_window;
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static Atom delete_atom;
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static Display *current_disp;
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static Window current_win;
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static int current_screen;
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static bool current_fullscreen;
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static int current_height;
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static int current_width;
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static bool input_released;
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static bool isUndecorated;
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static bool dirty;
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static bool vsync_enabled;
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static bool minimized;
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static bool focused;
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static bool closerequested;
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static void waitMapped(Display *disp, Window win) {
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XEvent event;
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do {
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XMaskEvent(disp, StructureNotifyMask, &event);
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} while ((event.type != MapNotify) || (event.xmap.event != win));
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}
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static void acquireInput(void) {
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if (input_released) {
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acquireKeyboard();
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acquirePointer();
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input_released = false;
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}
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}
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static void doReleaseInput(void) {
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releaseKeyboard();
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releasePointer();
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input_released = true;
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}
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void updateInput(void) {
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if (!input_released) {
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doReleaseInput();
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acquireInput();
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}
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}
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bool releaseInput(void) {
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if (current_fullscreen || input_released)
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return false;
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doReleaseInput();
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return true;
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}
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bool isFullscreen(void) {
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return current_fullscreen;
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}
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static void handleMessages() {
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XEvent event;
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Window win;
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int revert_mode;
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while (XPending(current_disp) > 0) {
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XNextEvent(current_disp, &event);
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switch (event.type) {
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case ClientMessage:
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if ((event.xclient.format == 32) && ((Atom)event.xclient.data.l[0] == delete_atom))
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closerequested = true;
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break;
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case FocusOut:
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XGetInputFocus(current_disp, &win, &revert_mode);
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if (win != current_win) {
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releaseInput();
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focused = false;
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}
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break;
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case FocusIn:
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XGetInputFocus(current_disp, &win, &revert_mode);
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if (win == current_win) {
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acquireInput();
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focused = true;
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}
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break;
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case MapNotify:
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dirty = true;
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minimized = false;
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break;
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case UnmapNotify:
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minimized = true;
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break;
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case Expose:
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// XSetInputFocus(current_disp, current_win, RevertToParent, CurrentTime);
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dirty = true;
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break;
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case ButtonPress:
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handleButtonPress(&(event.xbutton));
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break;
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case ButtonRelease:
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handleButtonRelease(&(event.xbutton));
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break;
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case MotionNotify:
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handlePointerMotion(&(event.xmotion));
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break;
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case KeyPress:
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case KeyRelease:
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handleKeyEvent(&(event.xkey));
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break;
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}
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}
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}
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static void setWindowTitle(const char *title) {
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XStoreName(current_disp, current_win, title);
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}
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JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Window_nSetTitle
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(JNIEnv * env, jclass clazz, jstring title_obj)
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{
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const char * title = env->GetStringUTFChars(title_obj, NULL);
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setWindowTitle(title);
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env->ReleaseStringUTFChars(title_obj, title);
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}
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static void createWindow(JNIEnv* env, Display *disp, int screen, XVisualInfo *vis_info, jstring title, int x, int y, int width, int height, bool fullscreen, bool undecorated) {
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dirty = true;
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focused = true;
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minimized = false;
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closerequested = false;
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vsync_enabled = false;
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Window root_win;
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Window win;
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XSetWindowAttributes attribs;
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Colormap cmap;
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int attribmask;
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current_disp = disp;
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current_screen = screen;
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input_released = false;
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current_fullscreen = fullscreen;
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current_width = width;
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current_height = height;
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root_win = RootWindow(disp, screen);
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cmap = XCreateColormap(disp, root_win, vis_info->visual, AllocNone);
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attribs.colormap = cmap;
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attribs.event_mask = ExposureMask | FocusChangeMask | VisibilityChangeMask| StructureNotifyMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask;
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attribs.background_pixel = 0xFF000000;
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attribmask = CWColormap | CWBackPixel | CWEventMask;
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if (fullscreen && undecorated) {
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attribmask |= CWOverrideRedirect;
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attribs.override_redirect = True;
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}
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win = XCreateWindow(disp, root_win, x, y, width, height, 0, vis_info->depth, InputOutput, vis_info->visual, attribmask, &attribs);
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XFreeColormap(disp, cmap);
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printfDebug("Created window\n");
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current_win = win;
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Java_org_lwjgl_opengl_Window_nSetTitle(env, NULL, title);
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XSizeHints * size_hints = XAllocSizeHints();
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size_hints->flags = PMinSize | PMaxSize;
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size_hints->min_width = width;
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size_hints->max_width = width;
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size_hints->min_height = height;
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size_hints->max_height = height;
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XSetWMNormalHints(disp, win, size_hints);
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XFree(size_hints);
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delete_atom = XInternAtom(disp, "WM_DELETE_WINDOW", False);
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XSetWMProtocols(disp, win, &delete_atom, 1);
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XMapRaised(disp, win);
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waitMapped(disp, win);
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XClearWindow(disp, win);
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XSync(disp, True);
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}
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static void destroyWindow() {
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XDestroyWindow(current_disp, current_win);
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current_disp = NULL;
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}
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Display *getCurrentDisplay(void) {
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return current_disp;
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}
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int getCurrentScreen(void) {
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return current_screen;
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}
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Window getCurrentWindow(void) {
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return current_win;
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}
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int getWindowWidth(void) {
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return current_width;
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}
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int getWindowHeight(void) {
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return current_height;
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}
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/*
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* Class: org_lwjgl_Window
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* Method: nUpdate
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* Signature: ()V
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*/
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JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Window_nUpdate
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(JNIEnv *env, jclass clazz)
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{
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handleMessages();
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}
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/*
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* Class: org_lwjgl_Window
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* Method: nMakeCurrent
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* Signature: ()V
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*/
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JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Window_nMakeCurrent
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(JNIEnv *env, jclass clazz)
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{
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makeCurrent();
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}
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void makeCurrent(void) {
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if (USEGLX13)
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glXMakeContextCurrent(getCurrentDisplay(), glx_window, glx_window, context);
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else
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glXMakeCurrent(getCurrentDisplay(), getCurrentWindow(), context);
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}
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static void releaseContext(void) {
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if (USEGLX13)
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glXMakeContextCurrent(getCurrentDisplay(), None, None, NULL);
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else
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glXMakeCurrent(getCurrentDisplay(), None, NULL);
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}
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int convertToBPE(int bpp) {
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int bpe;
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switch (bpp) {
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case 32:
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case 24:
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bpe = 8;
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break;
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case 16: /* Fall through */
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default:
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bpe = 4;
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break;
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}
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return bpe;
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}
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GLXContext getCurrentContext(void) {
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return context;
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}
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static GLXFBConfig *chooseVisualGLX13(Display *disp, int screen, int bpp, int depth, int alpha, int stencil, int samples) {
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int bpe = convertToBPE(bpp);
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int attriblist[] = {GLX_RENDER_TYPE, GLX_RGBA_BIT,
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GLX_DOUBLEBUFFER, True,
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GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT,
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GLX_DEPTH_SIZE, depth,
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GLX_RED_SIZE, bpe,
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GLX_GREEN_SIZE, bpe,
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GLX_BLUE_SIZE, bpe,
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GLX_ALPHA_SIZE, alpha,
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GLX_STENCIL_SIZE, stencil,
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None, None, /* For ARB_multisample */
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None, None, /* */
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None};
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int num_formats = 0;
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if (samples > 0 && extgl_Extensions.GLX_ARB_multisample) {
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attriblist[18] = GLX_SAMPLE_BUFFERS_ARB;
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attriblist[19] = 1;
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attriblist[20] = GLX_SAMPLES_ARB;
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attriblist[21] = samples;
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}
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GLXFBConfig* configs = glXChooseFBConfig(disp, screen, attriblist, &num_formats);
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if (num_formats > 0)
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return configs;
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else {
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if (configs != NULL)
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XFree(configs);
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return NULL;
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}
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}
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static XVisualInfo *chooseVisual(Display *disp, int screen, int bpp, int depth, int alpha, int stencil, int samples) {
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int bpe = convertToBPE(bpp);
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int attriblist[] = {GLX_RGBA,
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GLX_DOUBLEBUFFER,
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GLX_DEPTH_SIZE, depth,
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GLX_RED_SIZE, bpe,
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GLX_GREEN_SIZE, bpe,
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GLX_BLUE_SIZE, bpe,
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GLX_ALPHA_SIZE, alpha,
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GLX_STENCIL_SIZE, stencil,
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None, None, /* For ARB_multisample */
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None, None, /* */
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None};
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if (samples > 0 && extgl_Extensions.GLX_ARB_multisample) {
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attriblist[14] = GLX_SAMPLE_BUFFERS_ARB;
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attriblist[15] = 1;
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attriblist[16] = GLX_SAMPLES_ARB;
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attriblist[17] = samples;
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}
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return glXChooseVisual(disp, screen, attriblist);
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}
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static void dumpVisualInfo(Display *disp, XVisualInfo *vis_info) {
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int alpha, depth, stencil, r, g, b;
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int sample_buffers = 0;
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int samples = 0;
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glXGetConfig(disp, vis_info, GLX_RED_SIZE, &r);
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glXGetConfig(disp, vis_info, GLX_GREEN_SIZE, &g);
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glXGetConfig(disp, vis_info, GLX_BLUE_SIZE, &b);
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glXGetConfig(disp, vis_info, GLX_ALPHA_SIZE, &alpha);
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glXGetConfig(disp, vis_info, GLX_DEPTH_SIZE, &depth);
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glXGetConfig(disp, vis_info, GLX_STENCIL_SIZE, &stencil);
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if (extgl_Extensions.GLX_ARB_multisample) {
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glXGetConfig(disp, vis_info, GLX_SAMPLE_BUFFERS_ARB, &sample_buffers);
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glXGetConfig(disp, vis_info, GLX_SAMPLES_ARB, &samples);
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}
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printf("Pixel format info: r = %d, g = %d, b = %d, a = %d, depth = %d, stencil = %d, sample buffers = %d, samples = %d\n", r, g, b, alpha, depth, stencil, sample_buffers, samples);
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}
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static void destroy(void) {
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releaseContext();
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if (USEGLX13)
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glXDestroyWindow(getCurrentDisplay(), glx_window);
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glXDestroyContext(getCurrentDisplay(), context);
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context = NULL;
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Display *disp = getCurrentDisplay();
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destroyWindow();
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XCloseDisplay(disp);
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extgl_Close();
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}
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static bool initWindowGLX13(JNIEnv *env, Display *disp, int screen, jstring title, int x, int y, int width, int height, int bpp, int depth, int alpha, int stencil, int samples, bool fscreen, bool undecorated) {
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GLXFBConfig *configs = chooseVisualGLX13(disp, screen, bpp, depth, alpha, stencil, samples);
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if (configs == NULL) {
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throwException(env, "Could not find a matching pixel format");
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return false;
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}
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context = glXCreateNewContext(disp, configs[0], GLX_RGBA_TYPE, NULL, True);
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if (context == NULL) {
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XFree(configs);
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throwException(env, "Could not create a GLX context");
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return false;
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}
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jboolean allow_software_acceleration = getBooleanProperty(env, "org.lwjgl.opengl.Window.allowSoftwareOpenGL");
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if (!allow_software_acceleration && (glXIsDirect(disp, context) == False)) {
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glXDestroyContext(disp, context);
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XFree(configs);
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throwException(env, "Could not create a direct GLX context");
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return false;
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}
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XVisualInfo * vis_info = glXGetVisualFromFBConfig(disp, configs[0]);
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if (vis_info == NULL) {
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glXDestroyContext(disp, context);
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XFree(configs);
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throwException(env, "Could not create visual info from FB config");
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return false;
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}
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createWindow(env, disp, screen, vis_info, title, x, y, width, height, fscreen, undecorated);
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glx_window = glXCreateWindow(disp, configs[0], getCurrentWindow(), NULL);
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makeCurrent();
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if (isDebugEnabled())
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dumpVisualInfo(disp, vis_info);
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XFree(configs);
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XFree(vis_info);
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return true;
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}
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static bool initWindowGLX(JNIEnv *env, Display *disp, int screen, jstring title, int x, int y, int width, int height, int bpp, int depth, int alpha, int stencil, int samples, bool fscreen, bool undecorated) {
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XVisualInfo *vis_info = chooseVisual(disp, screen, bpp, depth, alpha, stencil, samples);
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if (vis_info == NULL) {
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throwException(env, "Could not find a matching pixel format");
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return false;
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}
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if (isDebugEnabled())
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dumpVisualInfo(disp, vis_info);
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context = glXCreateContext(disp, vis_info, NULL, True);
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if (context == NULL) {
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XFree(vis_info);
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throwException(env, "Could not create a GLX context");
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return false;
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}
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jboolean allow_software_acceleration = getBooleanProperty(env, "org.lwjgl.opengl.Window.allowSoftwareOpenGL");
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if (!allow_software_acceleration && glXIsDirect(disp, context) == False) {
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glXDestroyContext(disp, context);
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XFree(vis_info);
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throwException(env, "Could not create a direct GLX context");
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return false;
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}
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createWindow(env, disp, screen, vis_info, title, x, y, width, height, fscreen, undecorated);
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makeCurrent();
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XFree(vis_info);
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return true;
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}
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JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Window_nCreate
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(JNIEnv * env, jclass clazz, jstring title, jint x, jint y, jint width, jint height, jboolean fullscreen, jint bpp, jint alpha, jint depth, jint stencil, jint samples)
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{
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int screen;
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Display *disp;
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bool fscreen = false;
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if (fullscreen == JNI_TRUE)
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fscreen = true;
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isUndecorated = getBooleanProperty(env, "org.lwjgl.opengl.Window.undecorated");
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if (!extgl_Open()) {
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throwException(env, "Could not load gl libs");
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return;
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}
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disp = XOpenDisplay(NULL);
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if (disp == NULL) {
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throwException(env, "Could not open X display");
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return;
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}
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screen = XDefaultScreen(disp);
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if (!extgl_InitGLX(env, disp, screen)) {
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XCloseDisplay(disp);
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extgl_Close();
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throwException(env, "Could not init GLX");
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return;
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}
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bool create_success;
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if (USEGLX13) {
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create_success = initWindowGLX13(env, disp, screen, title, x, y, width, height, bpp, depth, alpha, stencil, samples, fscreen, isUndecorated);
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} else {
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create_success = initWindowGLX(env, disp, screen, title, x, y, width, height, bpp, depth, alpha, stencil, samples, fscreen, isUndecorated);
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}
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if (!create_success) {
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XCloseDisplay(disp);
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extgl_Close();
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return;
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}
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}
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/*
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* Class: org_lwjgl_opengl_GLWindow
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* Method: nDestroy
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|
* Signature: ()V
|
|
*/
|
|
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Window_nDestroy
|
|
(JNIEnv *env, jclass clazz)
|
|
{
|
|
destroy();
|
|
}
|
|
|
|
/*
|
|
* Class: org_lwjgl_opengl_GLWindow
|
|
* Method: swapBuffers
|
|
* Signature: ()V
|
|
*/
|
|
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Window_swapBuffers(JNIEnv * env, jclass clazz)
|
|
{
|
|
dirty = false;
|
|
if (USEGLX13)
|
|
glXSwapBuffers(getCurrentDisplay(), glx_window);
|
|
else
|
|
glXSwapBuffers(getCurrentDisplay(), getCurrentWindow());
|
|
}
|
|
|
|
|
|
/*
|
|
* Class: org_lwjgl_opengl_Window
|
|
* Method: nIsDirty
|
|
* Signature: ()Z
|
|
*/
|
|
JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_Window_nIsDirty
|
|
(JNIEnv *env, jclass clazz) {
|
|
bool result = dirty;
|
|
dirty = false;
|
|
return result ? JNI_TRUE : JNI_FALSE;
|
|
}
|
|
|
|
/*
|
|
* Class: org_lwjgl_opengl_Window
|
|
* Method: nIsVisible
|
|
* Signature: ()Z
|
|
*/
|
|
JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_Window_nIsVisible
|
|
(JNIEnv *env, jclass clazz) {
|
|
return minimized ? JNI_FALSE : JNI_TRUE;
|
|
}
|
|
|
|
/*
|
|
* Class: org_lwjgl_opengl_Window
|
|
* Method: nIsCloseRequested
|
|
* Signature: ()Z
|
|
*/
|
|
JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_Window_nIsCloseRequested
|
|
(JNIEnv *, jclass) {
|
|
bool saved = closerequested;
|
|
closerequested = false;
|
|
return saved;
|
|
}
|
|
|
|
/*
|
|
* Class: org_lwjgl_opengl_Window
|
|
* Method: nIsActive
|
|
* Signature: ()Z
|
|
*/
|
|
JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_Window_nIsActive
|
|
(JNIEnv *env, jclass clazz) {
|
|
return focused ? JNI_TRUE : JNI_FALSE;
|
|
}
|
|
|
|
JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_Window_nIsVSyncEnabled
|
|
(JNIEnv * env, jclass clazz)
|
|
{
|
|
return vsync_enabled;
|
|
}
|
|
|
|
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Window_nSetVSyncEnabled
|
|
(JNIEnv * env, jclass clazz, jboolean sync)
|
|
{
|
|
if (extgl_Extensions.GLX_SGI_swap_control) {
|
|
bool vsync = sync == JNI_TRUE ? true : false;
|
|
if (vsync != vsync_enabled) {
|
|
int interval = vsync ? 1 : 0;
|
|
glXSwapIntervalSGI(interval);
|
|
vsync_enabled = vsync;
|
|
}
|
|
}
|
|
}
|
|
|